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Postgis installation: type “geometry” does not exist
...I do it by this page . But when I import postgis.sql file, I get a lot of errors:
10 Answers
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Why does intellisense and code suggestion stop working when Visual Studio is open?
...date from this, either.
Copy/pasting code from another page that caused an error because the code copied referred to a control that wasn't on the page I was pasting to.
C++ project has corrupt .ncb file
(Please add to comments if you notice behavior that causes this.)
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Create a pointer to two-dimensional array
...e is how they do
uint8_t (*matrix_ptr)[][20] = l_matrix;
If you fix the error and add the address-of operator & like in the following snippet
uint8_t (*matrix_ptr)[][20] = &l_matrix;
Then that one creates a pointer to an incomplete array type of elements of type array of 20 uint8_t. Be...
Setting variable to NULL after free
...ou get an immediate crash on most systems, telling you right away what the error is.
For local variables, it may be a little bit pointless if it is "obvious" that the pointer isn't accessed anymore after being freed, so this style is more appropriate for member data and global variables. Even for l...
What does “abstract over” mean?
... The code runs on REPL fine. What version of Scala are you using, and what error did you get?
– Daniel C. Sobral
Jan 22 '11 at 22:47
1
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Pythonic way to print list items
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answered Jul 8 '15 at 15:05
ytpillaiytpillai
3,0962323 silver badges4141 bronze badges
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Batch renaming files with Bash
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To avoid re-run errors, you can use the same pattern in the ".pkg" part, ie "for i in *-[0-9.].pkg ; do mv $i ${i/-[0-9.]*.pkg/.pkg} ; done". But the errors are innocuous enough (moving to the same file).
– richq
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Equivalent of “throw” in R
How does one "throw" an error in R? I have a function that takes a data frame and some column names and does stuff with them. If the columns don't exist, I want the function to stop and to stop all functions depending on it.
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How do I base64 encode (decode) in C?
...up() {
free(decoding_table);
}
Keep in mind that this doesn't do any error-checking while decoding - non base 64 encoded data will get processed.
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iOS开发过程中的各种tips - 更多技术 - 清泛网 - 专注C/C++及内核技术
...程 开发web等网络应用程序的时候，需要确认网络环境，连接情况等信息。如果没有处理它们，是不会通过apple的审查的。 系统自带的网络检查是原生的，AFNetworking也为我们添加了相关检测机制，所以这个直接在介绍AFNetworking的...